arch/arm64/lib/insn.c

1339

u64 sval = val >> __ffs64(val);

arch/arm64/lib/insn.c

1409

ror = __ffs64(imm);

arch/x86/mm/mem_encrypt.c

34

u64 dma_enc_mask = DMA_BIT_MASK(__ffs64(sme_me_mask));

drivers/ata/libahci.c

2147

unsigned int tag = __ffs64(done_mask);

drivers/ata/libahci.c

2169

unsigned int tag = __ffs64(done_mask);

drivers/ata/libata-sata.c

785

unsigned int tag = __ffs64(done_mask);

drivers/gpu/buddy.c

67

return __ffs64(offset);

drivers/gpu/drm/nouveau/nouveau_chan.c

299

args->runlist = __ffs64(runm);

drivers/gpu/drm/nouveau/nvkm/engine/device/user.c

284

for (; i = __ffs64(mask), mask && !sclass; mask &= ~(1ULL << i)) {

drivers/gpu/drm/xe/xe_configfs.c

448

u16 bit0 = __ffs64(mask), bit;

drivers/gpu/drm/xe/xe_configfs.c

493

bit = __ffs64(engine_info[i].mask) + instance;

drivers/iio/adc/qcom-spmi-vadc.c

442

return __ffs64(value);

drivers/iio/adc/qcom-vadc-common.c

767

return __ffs64(value / VADC_DECIMATION_MIN);

drivers/infiniband/hw/mlx5/mlx5_ib.h

1748

bitmap &= GENMASK_ULL(__ffs64(iova), 0);

drivers/iommu/amd/iommu.c

1810

sz_lg2 = min_t(unsigned int, sz_lg2, __ffs64(address));

drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c

320

unsigned long lidx = __ffs64(map);

drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c

359

unsigned long idx = __ffs64(vintf_map);

drivers/iommu/iommufd/io_pagetable.c

144

1UL << __ffs64(addr));

drivers/net/ethernet/marvell/octeontx2/af/cgx.c

1755

lmac->lmac_id = __ffs64(lmac_list);

drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c

934

shift = __ffs64(field->kw_mask[i]);

drivers/net/wireless/ath/ath10k/mac.c

1167

bit = __ffs64(ar->free_vdev_map);

drivers/net/wireless/ath/ath10k/mac.c

5603

bit = __ffs64(ar->free_vdev_map);

drivers/net/wireless/ath/ath11k/mac.c

1053

bit = __ffs64(ar->ab->free_vdev_map);

drivers/net/wireless/ath/ath11k/mac.c

7126

bit = __ffs64(ab->free_vdev_map);

drivers/net/wireless/ath/ath12k/mac.c

10435

vdev_id = __ffs64(ab->free_vdev_map);

drivers/net/wireless/mediatek/mt76/mt7603/main.c

47

mvif->idx = __ffs64(~dev->mt76.vif_mask);

drivers/net/wireless/mediatek/mt76/mt7615/main.c

197

mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);

drivers/net/wireless/mediatek/mt76/mt7915/main.c

222

mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);

drivers/net/wireless/mediatek/mt76/mt7921/main.c

311

mvif->bss_conf.mt76.idx = __ffs64(~dev->mt76.vif_mask);

drivers/net/wireless/mediatek/mt76/mt7925/main.c

388

mconf->mt76.idx = __ffs64(~dev->mt76.vif_mask);

drivers/net/wireless/mediatek/mt76/mt7996/main.c

316

mlink->idx = __ffs64(~dev->mt76.vif_mask);

drivers/net/wireless/mediatek/mt76/mt7996/main.c

97

return __ffs64(~mask & GENMASK_ULL(end, start)) + 1;

drivers/net/wwan/t7xx/t7xx_pcie_mac.c

105

pos = __ffs64(cfg->size);

drivers/ntb/hw/mscc/ntb_hw_switchtec.c

879

sndev->peer_partition = __ffs64(part_map);

drivers/ntb/hw/mscc/ntb_hw_switchtec.c

881

if (__ffs64(tpart_vec) != (fls64(tpart_vec) - 1)) {

drivers/ntb/hw/mscc/ntb_hw_switchtec.c

887

sndev->peer_partition = __ffs64(tpart_vec);

drivers/ntb/test/ntb_perf.c

715

incmd_bit = BIT_ULL(__ffs64(inbits));

drivers/ntb/test/ntb_pingpong.c

125

pidx = __ffs64(link & pp->nmask);

drivers/ntb/test/ntb_pingpong.c

127

pidx = __ffs64(link & pp->pmask);

drivers/pci/controller/pci-aardvark.c

1788

(start ? (1ULL << __ffs64(start)) : 0);

drivers/pci/controller/pci-aardvark.c

1789

win_size = 1ULL << __ffs64(win_size);

drivers/pci/controller/pcie-rcar-ep.c

223

unsigned long nr_zeros = __ffs64(cpu_addr);

drivers/pci/controller/pcie-rcar-host.c

871

unsigned long nr_zeros = __ffs64(cpu_addr);

drivers/pci/endpoint/functions/pci-epf-vntb.c

1554

db_bit = __ffs64(db_bits);

drivers/scsi/mvsas/mv_94xx.h

320

return x ? __ffs64(x) : -1;

drivers/soc/fsl/qe/qmc.c

1006

first_rx = chan->rx_ts_mask ? __ffs64(chan->rx_ts_mask) + 1 : 0;

drivers/usb/early/xhci-dbc.c

77

sz64 = 1ULL << __ffs64(sz64);

fs/gfs2/rgrp.c

259

bit = __ffs64(tmp);

include/linux/bitfield.h

266

__ffs(__mask) : __ffs64(__mask); \

include/linux/bitfield.h

275

__ffs(__mask) : __ffs64(__mask); \

include/ras/ras_event.h

59

__entry->pa_mask_lsb = (u8)__ffs64(mem->physical_addr_mask);

kernel/sched/ext/cid.h

270

__w && ((cid) = __bs + __wi * 64 + __ffs64(__w), true); \

kernel/trace/trace_events_hist.c

366

return val1 >> __ffs64(val2);

kernel/trace/trace_events_hist.c

382

return val1 >> __ffs64(operand2->constant);

lib/clz_ctz.c

41

return __ffs64(val);

lib/tests/bitfield_kunit.c

100

tp##_encode_bits(v, mask) != v << __ffs64(mask));\

lib/tests/ffs_kunit.c

177

ffs64_0based = __ffs64(input);

lib/tests/ffs_kunit.c

195

KUNIT_EXPECT_EQ_MSG(test, __ffs64(input), __ffs(input_32),

lib/tests/ffs_kunit.c

198

(unsigned long)__ffs64(input),

lib/tests/ffs_kunit.c

256

validate_ffs64_result(test, tc->input, __ffs64(tc->input),

net/mac80211/iface.c

2174

if (__ffs64(mask) + hweight64(mask) != fls64(mask)) {

net/mac80211/iface.c

2195

inc = 1ULL<<__ffs64(mask);